20515910040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{2851}}^1$

素因数の和:5095

約数の個数: 160

約数和(自身を含む): 69011498160

約数和(自身を除く): 48495588120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 2221, 2851, 3240, 4442, 5702, 6663, 8553, 8884, 11105, 11404, 13326, 14255, 17106, 17768, 19989, 22210, 22808, 25659, 26652, 28510, 33315, 34212, 39978, 42765, 44420, 51318, 53304, 57020, 59967, 66630, 68424, 76977, 79956, 85530, 88840, 99945, 102636, 114040, 119934, 128295, 133260, 153954, 159912, 171060, 179901, 199890, 205272, 230931, 239868, 256590, 266520, 299835, 307908, 342120, 359802, 384885, 399780, 461862, 479736, 513180, 599670, 615816, 719604, 769770, 799560, 899505, 923724, 1026360, 1154655, 1199340, 1439208, 1539540, 1799010, 1847448, 2309310, 2398680, 3079080, 3598020, 4618620, 6332071, 7196040, 9237240, 12664142, 18996213, 25328284, 31660355, 37992426, 50656568, 56988639, 63320710, 75984852, 94981065, 113977278, 126641420, 151969704, 170965917, 189962130, 227954556, 253282840, 284943195, 341931834, 379924260, 455909112, 512897751, 569886390, 683863668, 759848520, 854829585, 1025795502, 1139772780, 1367727336, 1709659170, 2051591004, 2279545560, 2564488755, 3419318340, 4103182008, 5128977510, 6838636680, 10257955020, 20515910040]

約数ペア:

[(1, 20515910040), (2, 10257955020), (3, 6838636680), (4, 5128977510), (5, 4103182008), (6, 3419318340), (8, 2564488755), (9, 2279545560), (10, 2051591004), (12, 1709659170), (15, 1367727336), (18, 1139772780), (20, 1025795502), (24, 854829585), (27, 759848520), (30, 683863668), (36, 569886390), (40, 512897751), (45, 455909112), (54, 379924260), (60, 341931834), (72, 284943195), (81, 253282840), (90, 227954556), (108, 189962130), (120, 170965917), (135, 151969704), (162, 126641420), (180, 113977278), (216, 94981065), (270, 75984852), (324, 63320710), (360, 56988639), (405, 50656568), (540, 37992426), (648, 31660355), (810, 25328284), (1080, 18996213), (1620, 12664142), (2221, 9237240), (2851, 7196040), (3240, 6332071), (4442, 4618620), (5702, 3598020), (6663, 3079080), (8553, 2398680), (8884, 2309310), (11105, 1847448), (11404, 1799010), (13326, 1539540), (14255, 1439208), (17106, 1199340), (17768, 1154655), (19989, 1026360), (22210, 923724), (22808, 899505), (25659, 799560), (26652, 769770), (28510, 719604), (33315, 615816), (34212, 599670), (39978, 513180), (42765, 479736), (44420, 461862), (51318, 399780), (53304, 384885), (57020, 359802), (59967, 342120), (66630, 307908), (68424, 299835), (76977, 266520), (79956, 256590), (85530, 239868), (88840, 230931), (99945, 205272), (102636, 199890), (114040, 179901), (119934, 171060), (128295, 159912), (133260, 153954)]